INT 13 - ESDI FIXED DISK - FORMAT UNIT (PS) AH = 1Ah AL = defect table entry count CL = format modifiers (see #00250) DL = drive (80h,81h) ES:BX -> defect table (see #00251), ignored if AL=00h Return: CF set on error CF clear if successful AH = status (see #00234 at AH=01h) Note: if periodic interrupt selected, INT 15/AH=0Fh is called after each cylinder is formatted SeeAlso: AH=07h,INT 15/AH=0Fh